Bag holder



FIG. 1 is an enlarged front perspective view of a bag holder showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevational view thereof, and

FIG. 4 is a side elevational view thereof the opposite side elevational view being a mere image of that shown. 

The ornamental design for a bag holder, as shown and described. 